Hello World
{"ScriptPreparationCode":"const canvas = document.createElement(\u0027canvas\u0027)\r\nwindow.context = canvas.getContext(\u00272d\u0027)\r\nwindow.mydiv = document.createElement(\u0027canvas\u0027);\r\nwindow.mydiv.innerHTML = \u0022Hello world\u0022;","TestCases":[{"Name":"offsetWidth","Code":"mydiv.offsetWidth","IsDeferred":false},{"Name":"getBoundingClientRect","Code":"mydiv.getBoundingClientRect().width","IsDeferred":false},{"Name":"canvas","Code":"window.context.measureText(\u0027Hello world\u0027)","IsDeferred":false}]}